Check here:
https://vborg.vbsupport.ru/showthread.php?t=105598
--------------- Added [DATE]1362721989[/DATE] at [TIME]1362721989[/TIME] ---------------
The easiet way is to go to admincp>usergroup manager>the usergroup you want to change> html markup boxes and enter this(<font color="#8C1717"><i><b>) in the box on the left and this in the box on the right(</font></i></b>)
remember to change the hex code color i used to oneyou want to use